20813790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{693793}}^1$

素因数の和:693803

約数の個数: 16

約数和(自身を含む): 49953168

約数和(自身を除く): 29139378

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 693793, 1387586, 2081379, 3468965, 4162758, 6937930, 10406895, 20813790]

約数ペア:

[(1, 20813790), (2, 10406895), (3, 6937930), (5, 4162758), (6, 3468965), (10, 2081379), (15, 1387586), (30, 693793)]